A thriving international peace movement fell apart at the start of the First World War. However, those who held fast to the principle that war is incompatible with Christianity regrouped and the association that followed proved deeply influential To a greater or lesser extent, we all have affinities and solidarities: with faith, politics, class, gender, family, and with various ideologies and -isms. In 1914, nationalism trumped all other solidarities. Previous loyalties and alliances were rent asunder. The women’s movement split, with most suffrage leaders upholding the decision to declare war. The political Left was divided, but for most British workers loyalty to the state came before solidarity with fellow workers in Germany. Christians, too, were divided. Most backed the Govern